KVM: Fix pio trace direction

out = write, in = read, not the other way round.

Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index bdba1d0..d0ba857 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3743,7 +3743,7 @@
 	if (vcpu->arch.pio.count)
 		goto data_avail;
 
-	trace_kvm_pio(1, port, size, 1);
+	trace_kvm_pio(0, port, size, 1);
 
 	vcpu->arch.pio.port = port;
 	vcpu->arch.pio.in = 1;
@@ -3771,7 +3771,7 @@
 			      const void *val, unsigned int count,
 			      struct kvm_vcpu *vcpu)
 {
-	trace_kvm_pio(0, port, size, 1);
+	trace_kvm_pio(1, port, size, 1);
 
 	vcpu->arch.pio.port = port;
 	vcpu->arch.pio.in = 0;